Seal assembly for a rotary machine

Details Seal assembly for a rotary machine Seal assembly for a rotary machine

1994-06-20

1995-11-07

DePumpo, Daniel G.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 81R, 277134, F16J 1516

Patent

active

054642272

ABSTRACT:
A seal assembly 46 for a rotary machine 10 is disclosed. Various construction details are developed which block the migration of oil from a compartment such as a bearing compartment 22. In one detailed embodiment, an annular clearance gap G is provided with an outwardly tapered surface (98; 118; 98, 118) to energize a boundary layer or to block lubricating fluid from migrating from the bearing compartment.

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patent: 4531746 (1985-07-01), Amdall et al.
patent: 4795167 (1989-01-01), Otsuka
patent: 5125672 (1992-06-01), Wycliffe
patent: 5133562 (1992-07-01), Lipschitz
patent: 5174584 (1992-12-01), Lahrman

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